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(11)

EP 1 354 215 A1

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(43) Date of publication: 22.10.2003 Bulletin 2003/43 (21) Application number: 02718813.5 (22) Date of filing: 09.01.2002

(51) International Patent Classification (IPC)7: G01R 33/28, G01R 33/561 (86) International application number: PCT/US0200/564 (87) International publication number: WO 0205/9633 (01.08.2002 Gazette 2002/31)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 23.01.2001 US 767757 (71) Applicant: WISCONSIN ALUMNI RESEARCH FOUNDATION Madison, WI 53705 (US)	(72) Inventors: MISTRETTA, Charles, A. Madison, WI 53704 (US) BARGER, Andrew, V. Madison, WI 53705 (US) BLOCK, Walter, F. Madison, WI 53705 (US) (74) Representative: Lippert, Marianne et al Jung HMLPatentanwälteEmil-Claar-Strasse 20 60322 Frankfurt am Main 60322 Frankfurt am Main (DE)